1680x1050 resolution not working (Fedora Core 2, Dell Inspiron 8600, WSXGA+)

[Rick Stevens]

Florian Burkart wrote:
> Hey everybody,
> 
> sorry to be bothering you, but I can't get any further by myself. I have
> been googling on this for a few hours now.
> 
> I just installed FC2 (first time with linux) and am trying to get the
> 1680x1050 resolution to work. There are plenty of posts about this, and they
> all kind of match themselves, so that should be pretty straight forward.
> Here is what i put into my xorg.conf:
> 
> ======================
> 
> Section "ServerLayout"
> 	Identifier     "Default Layout"
> 	Screen      0  "Screen0" 0 0
> 	InputDevice    "Mouse0" "CorePointer"
> 	InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
> 
> Section "Screen"
> 	Identifier "Screen0"
> 	Device "Videocard0"
> 	Monitor "dell-i8600"
> 	DefaultDepth 24
> 	Subsection "Display"
> 		Depth 8
> 		Modes "1680x1050" "1280x800"
> 		ViewPort 0 0
> 	EndSubsection
> 	Subsection "Display"
> 		Depth 16
> 		Modes "1680x1050" "1280x800"
> 		ViewPort 0 0
> 	EndSubsection
> 	Subsection "Display"
> 		Depth 24
> 		Modes "1680x1050" "1280x800"
> 		ViewPort 0 0
> 	EndSubsection
> EndSection
> 
> 
> Section "Device" (I installed the NVidia drivers as well, logo showing up,
> so it should be ok...)
> 	Identifier  "Videocard0"
> 	Driver      "nvidia"
> 	VendorName  "Videocard vendor"
> 	BoardName   "NVIDIA GeForce 4 (generic)"
> EndSection
> 
> Section "Modes"
> 	Identifier "16:10"
> 	Modeline "1280x800"  107.21 1280 1360 1496 1712 800 801 804 835
> 	Modeline "1280x800"  123.38 1280 1368 1504 1728 800 801 804 840
> 	Modeline "1280x800"  147.89 1280 1376 1512 1744 800 801 804 848	
> 	Modeline "1680x1050" 147.14 1680 1784 1968 2256 1050 1051 1054 1087
> 	Modeline "1680x1050" 188.07 1680 1800 1984 2288 1050 1051 1054 1096
> 	Modeline "1680x1050" 214.51 1680 1800 1984 2288 1050 1051 1054 1103
> 	Modeline "1680x1050" 256.20 1680 1808 1992 2304 1050 1051 1054 1112
> EndSection
> 
> Section "Monitor"
> 	Identifier "dell-i8600"
> 	HorizSync   31.5-100
> 	VertRefresh 30-90
> 	UseModes    "16:10"
> EndSection
> 
> ... (other stuff)
> 
> =============================
> 
> Now, whatever I do, I can only get 1280x800 to work:
> - I removed all the 1680x1050 entries -> worked.
> - I removed all the 1280x800 entries -> either very low standard vesa
> resolution or hang itself up.
> - Although man xorg.conf says that the order is determined in subsection
> display I switched the order of the two in "Modes" -> nothing happens
> 
> Haven't found anyone else with that problem, and it seems to work for a lot
> of people, so I am quite confused...
> 
> Could someone help me out on this one please?
> 
> And while you are it, maybe a short question by the side: how does one
> switch resolutions? System settings -> Display shows absolutely wrong
> monitor with wrong resolutions and if I choose something it screws xorg.conf
> up. So I guess if one configures xorg.conf, the System settings -> Display
> option can't be used anymore, right? So the answer would be to switch some
> order in the xorg.conf? Thanks...

Have you looked at the logs to see why the 1600 mode doesn't work?  Most
often it's a lack of video RAM (too high a resolution with too much
depth).
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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
- ...Had this been an actual emergency, we would have fled in terror -
-                      and you'd be on your own, pal!                -
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